Class D Systems Technician License Practice Test

In a fire alarm system, a swinger poses the risk of triggering false alarms. A swinger refers to a mechanical component or device that can create unintended activations in the alarm system, particularly if it is not correctly installed or maintained. When a swinger moves or oscillates, it may mimic the conditions that the system interprets as a fire or smoke situation, leading to an unnecessary alarm being sounded. This can cause confusion, disrupt operations, and lead to unnecessary responses from emergency services.

In contrast, increasing response time, power shortages, and wear and tear on the system are issues that may arise from other factors, such as poor equipment maintenance, inadequate power supply, or normal usage over time, but they do not specifically relate to the operational characteristics of a swinger in the context of a fire alarm system. Therefore, the concern with a swinger is most directly associated with the potential to cause false alarms.